MCP23017Button.h

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#ifndef _ARDUINOUNIVERSALINPUTS_MCP23017BUTTON_H
#define _ARDUINOUNIVERSALINPUTS_MCP23017BUTTON_H

#include <IButton.h>

#include "Adafruit_MCP23017.h"

class MCP23017Button : public IButton
{
public:
  MCP23017Button(Adafruit_MCP23017 *io, inputid_t id, inputpin_t pin, bool activeLow = true,
                 bool pullUp = true);

  virtual ~MCP23017Button()
  {
  }

  inputpin_t getPin() const
  {
    return m_pin;
  }

  bool isActiveLow() const
  {
    return m_activeLow;
  }

  bool isPullUp() const
  {
    return m_pullUp;
  }

protected:
  uint8_t getPhysicalState() const;

private:
  Adafruit_MCP23017 *m_io; 
  inputpin_t m_pin;        
  bool m_activeLow;        
  bool m_pullUp;           
};

#endif